22162160

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2145

約数の個数: 40

約数和(自身を含む): 51923760

約数和(自身を除く): 29761600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 1993, 2224, 2780, 3986, 5560, 7972, 9965, 11120, 15944, 19930, 31888, 39860, 79720, 159440, 277027, 554054, 1108108, 1385135, 2216216, 2770270, 4432432, 5540540, 11081080, 22162160]

約数ペア:

[(1, 22162160), (2, 11081080), (4, 5540540), (5, 4432432), (8, 2770270), (10, 2216216), (16, 1385135), (20, 1108108), (40, 554054), (80, 277027), (139, 159440), (278, 79720), (556, 39860), (695, 31888), (1112, 19930), (1390, 15944), (1993, 11120), (2224, 9965), (2780, 7972), (3986, 5560)]